@article{AIHPB_2009__45_1_7_0,
     author = {Koltchinskii, Vladimir},
     title = {Sparsity in penalized empirical risk minimization},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
     pages = {7--57},
     publisher = {Gauthier-Villars},
     volume = {45},
     number = {1},
     year = {2009},
     doi = {10.1214/07-AIHP146},
     mrnumber = {2500227},
     zbl = {1168.62044},
     language = {en},
     url = {http://www.numdam.org/articles/10.1214/07-AIHP146/}
}